Intertek FT Series - Product Flow Paths and Characteristics; Central Heating Flow

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CH Supply
CH Return
Combustion Air
Central Heating Mode
Vent
GAS INPUT
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2.5 Product Flow Paths and Characteristics
2.5.1 Central Heating ow. Boiler Heating Mode.
Water in the heating system ows through the low loss header (LLH); boiler pump heats water in the
boiler and is circulated through LLH. System pump or individual zone pumps are required to pull heated
water from CH supply connection and return water to CH return connection.